euro adhoc: United Internet AG / quarterly or semiannual financial statement / United Internet posts most successful 1st quarter of its history Earnings per share up 46.2%

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quaterly report

07.05.2008

Ad hoc announcement acc. to Sec. 15 WpHG

United Internet posts most successful 1st quarter of its history

Earnings per share up 46.2%

Montabaur, May 7, 2008. The Management Board of United Internet
AG today adopted the Group's consolidated results according to
IFRS for the first quarter of 2008. There was strong year-on-year
growth in all key performance indicators.

Consolidated sales of United Internet AG achieved year-on-year growth
of 19.3%, from EUR 336.9 million to EUR 402.0 million. Earnings
before interest, taxes,

depreciation and amortization (EBITDA) grew by 31.2%, from EUR 63.4 million to
EUR 83.2 million. Net income grew by 46.0%, from EUR 30.9 million (comparable
prior-year figure) to EUR 45.1 million. Earnings per share (EPS) climbed 46.2%,
from EUR 0.13 (comparable prior-year figure) to EUR 0.19.

|Quarter comparison in EUR |Q1 2007 |Q1 2008 |Growth |
|million | | | |
|Sales |336.9 |402.0 |19.3 % |
|EBITDA |63.4 |83.2 |31.2 % |
|Net income |30.9 |45.1 |46.0 % |
|EPS in EUR |0.13 |0.19 |46.2 % |

The number of fee-based customer contracts grew to 7.46 million as of
March 31, 2008 (prior year: 6.55 million). Of this total, the
Information Management product line accounted for 1.24 million
(prior year: 1.12 million), the Webhosting business for 3.31
million (prior year: 2.92 million), of which 1.63 million were
outside Germany (prior year: 1.30 million), and Internet Access
for 2.91 million (prior year: 2.51 million), of which 2.78 million
were DSL contracts (prior year: 2.36 million). In comparison with
March 31, 2007 the number of telephony customers grew by 540,000
to 1.91 million. Over 1 billion telephone minutes were completed
per month (prior year: 780 million).

|Customer contracts in million |31.03.2007 |31.12.2007 |31.03.2008 |
|Information Management |1.12 |1.21 |1.24 |
|Webhosting |2.92 |3.21 |3.31 |
|thereof abroad |1.30 |1.55 |1.63 |
|Internet Access |2.51 |2.81 |2.91 |
|thereof DSL |2.36 |2.67 |2.78 |
|Total |6.55 |7.23 |7.46 |

The report on the 1st quarter of 2008 will be published on May 9,
2008.

end of announcement euro adhoc
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ots Originaltext: United Internet AG
Im Internet recherchierbar: http://www.presseportal.de

Further inquiry note:

Marcus Schaps

Head of Press and Public Relations

United Internet AG

Elgendorfer Strasse 57

56410 Montabaur

Germany

Tel: +49 2602/96-1076

Fax: +49 2602/96-1013

E-mail: mschaps@united-internet.de

Internet: www.united-internet.de

Branche: Telecommunications Services
ISIN: DE0005089031
WKN: 508903
Index: Midcap Market Index, TecDAX, CDAX, HDAX, Prime All Share,
Technologie All Share
Börsen: Börse Frankfurt / regulated dealing/prime standard
Börse Berlin / free trade
Börse Hamburg / free trade
Börse Stuttgart / free trade
Börse Düsseldorf / free trade
Börse Hannover / free trade
Börse München / free trade